TY - Acta Geographica Sinica A1 - WANG Chengyun T1 - Spatial Agglomeration and Influencing Factors of Japanese R&D Industry Y1 - 2010-04-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 387 EP - 396 VL - 65 IS - 4 UR - {https://www.geog.com.cn/EN/10.11821/xb201004001} N1 - 10.11821/xb201004001 ER -